CA1291543C - Filtre acoustique permettant de supprimer ou d'attenuer les alternances negatives d'une onde elastique et generateur d'ondes elastiques comportant un tel filtre - Google Patents
Filtre acoustique permettant de supprimer ou d'attenuer les alternances negatives d'une onde elastique et generateur d'ondes elastiques comportant un tel filtreInfo
- Publication number
- CA1291543C CA1291543C CA000565154A CA565154A CA1291543C CA 1291543 C CA1291543 C CA 1291543C CA 000565154 A CA000565154 A CA 000565154A CA 565154 A CA565154 A CA 565154A CA 1291543 C CA1291543 C CA 1291543C
- Authority
- CA
- Canada
- Prior art keywords
- filter
- liquid
- elastic wave
- acoustic filter
- enclosure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
- G10K11/04—Acoustic filters ; Acoustic resonators
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/024—Mixtures
- G01N2291/02491—Materials with nonlinear acoustic properties
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8705981 | 1987-04-28 | ||
FR8705981A FR2614722B1 (fr) | 1987-04-28 | 1987-04-28 | Filtre acoustique permettant de supprimer ou d'attenuer les alternances negatives d'une onde elastique et generateur d'ondes elastiques comportant un tel filtre |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1291543C true CA1291543C (fr) | 1991-10-29 |
Family
ID=9350550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000565154A Expired - Lifetime CA1291543C (fr) | 1987-04-28 | 1988-04-26 | Filtre acoustique permettant de supprimer ou d'attenuer les alternances negatives d'une onde elastique et generateur d'ondes elastiques comportant un tel filtre |
Country Status (8)
Country | Link |
---|---|
US (2) | US4856107A (ja) |
EP (1) | EP0289383B1 (ja) |
JP (1) | JPH0197995A (ja) |
AT (1) | ATE66086T1 (ja) |
CA (1) | CA1291543C (ja) |
DE (2) | DE289383T1 (ja) |
ES (1) | ES2007484A6 (ja) |
FR (1) | FR2614722B1 (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2614722B1 (fr) * | 1987-04-28 | 1992-04-17 | Dory Jacques | Filtre acoustique permettant de supprimer ou d'attenuer les alternances negatives d'une onde elastique et generateur d'ondes elastiques comportant un tel filtre |
US5351546A (en) * | 1992-10-22 | 1994-10-04 | General Electric Company | Monochromatic ultrasonic transducer |
US5492012A (en) * | 1992-10-26 | 1996-02-20 | General Electric Company | Time-of-flight method for sizing cracks through fluid-filled gaps in structures |
JP3918966B2 (ja) * | 1997-12-30 | 2007-05-23 | 本多電子株式会社 | キャビテーション検出方法 |
US8057408B2 (en) | 2005-09-22 | 2011-11-15 | The Regents Of The University Of Michigan | Pulsed cavitational ultrasound therapy |
US10219815B2 (en) | 2005-09-22 | 2019-03-05 | The Regents Of The University Of Michigan | Histotripsy for thrombolysis |
US20070083120A1 (en) * | 2005-09-22 | 2007-04-12 | Cain Charles A | Pulsed cavitational ultrasound therapy |
US8235902B2 (en) | 2007-09-11 | 2012-08-07 | Focus Surgery, Inc. | System and method for tissue change monitoring during HIFU treatment |
WO2011022411A2 (en) | 2009-08-17 | 2011-02-24 | Histosonics, Inc. | Disposable acoustic coupling medium container |
US9901753B2 (en) | 2009-08-26 | 2018-02-27 | The Regents Of The University Of Michigan | Ultrasound lithotripsy and histotripsy for using controlled bubble cloud cavitation in fractionating urinary stones |
WO2011028603A2 (en) | 2009-08-26 | 2011-03-10 | The Regents Of The University Of Michigan | Micromanipulator control arm for therapeutic and imaging ultrasound transducers |
US8539813B2 (en) | 2009-09-22 | 2013-09-24 | The Regents Of The University Of Michigan | Gel phantoms for testing cavitational ultrasound (histotripsy) transducers |
US9058798B2 (en) * | 2011-05-02 | 2015-06-16 | University Of North Texas | Tunable polymer-based sonic structures |
US9144694B2 (en) | 2011-08-10 | 2015-09-29 | The Regents Of The University Of Michigan | Lesion generation through bone using histotripsy therapy without aberration correction |
US9049783B2 (en) | 2012-04-13 | 2015-06-02 | Histosonics, Inc. | Systems and methods for obtaining large creepage isolation on printed circuit boards |
EP2844343B1 (en) | 2012-04-30 | 2018-11-21 | The Regents Of The University Of Michigan | Ultrasound transducer manufacturing using rapid-prototyping method |
WO2014055906A1 (en) | 2012-10-05 | 2014-04-10 | The Regents Of The University Of Michigan | Bubble-induced color doppler feedback during histotripsy |
MX369950B (es) | 2013-07-03 | 2019-11-27 | Histosonics Inc | Secuencias de excitacion de histotripsia optimizadas para formacion de nube de burbujas usando dispersion de choque. |
US11432900B2 (en) | 2013-07-03 | 2022-09-06 | Histosonics, Inc. | Articulating arm limiter for cavitational ultrasound therapy system |
WO2015027164A1 (en) | 2013-08-22 | 2015-02-26 | The Regents Of The University Of Michigan | Histotripsy using very short ultrasound pulses |
EP4230262A3 (en) | 2015-06-24 | 2023-11-22 | The Regents Of The University Of Michigan | Histotripsy therapy systems for the treatment of brain tissue |
WO2020113083A1 (en) | 2018-11-28 | 2020-06-04 | Histosonics, Inc. | Histotripsy systems and methods |
CA3169465A1 (en) | 2020-01-28 | 2021-08-05 | The Regents Of The University Of Michigan | Systems and methods for histotripsy immunosensitization |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2252580B1 (ja) * | 1973-11-22 | 1980-02-22 | Realisations Ultrasoniques Sa | |
FR2477723A1 (fr) * | 1980-03-07 | 1981-09-11 | Cgr Ultrasonic | Sonde d'echographie ultrasonore a lentille acoustique et echographe comportant une telle sonde |
US4535630A (en) * | 1983-01-17 | 1985-08-20 | Samodovitz Arthur J | Multiple curved transducers providing extended depth of field |
FR2563725B1 (fr) * | 1984-05-03 | 1988-07-15 | Dory Jacques | Appareil d'examen et de localisation de tumeurs par ultrasons muni d'un dispositif de traitement localise par hyperthermie |
FR2556582B1 (fr) * | 1983-12-14 | 1986-12-19 | Dory Jacques | Appareil a impulsions ultrasonores destine a la destruction des calculs |
DE3437488A1 (de) * | 1984-10-12 | 1986-04-17 | Richard Wolf Gmbh, 7134 Knittlingen | Schallsender |
DE3665949D1 (en) * | 1985-08-09 | 1989-11-02 | Siemens Ag | Ultrasonic generator |
US4679597A (en) * | 1985-12-20 | 1987-07-14 | Kim Hotstart Mfg. Co., Inc. | Liquid pulsation dampening device |
FR2614722B1 (fr) * | 1987-04-28 | 1992-04-17 | Dory Jacques | Filtre acoustique permettant de supprimer ou d'attenuer les alternances negatives d'une onde elastique et generateur d'ondes elastiques comportant un tel filtre |
-
1987
- 1987-04-28 FR FR8705981A patent/FR2614722B1/fr not_active Expired - Lifetime
-
1988
- 1988-04-08 EP EP88400847A patent/EP0289383B1/fr not_active Expired - Lifetime
- 1988-04-08 AT AT88400847T patent/ATE66086T1/de not_active IP Right Cessation
- 1988-04-08 DE DE198888400847T patent/DE289383T1/de active Pending
- 1988-04-08 DE DE8888400847T patent/DE3864067D1/de not_active Expired - Lifetime
- 1988-04-26 CA CA000565154A patent/CA1291543C/fr not_active Expired - Lifetime
- 1988-04-28 ES ES8801305A patent/ES2007484A6/es not_active Expired
- 1988-04-28 US US07/187,178 patent/US4856107A/en not_active Expired - Fee Related
- 1988-04-28 JP JP63107426A patent/JPH0197995A/ja active Granted
-
1989
- 1989-08-08 US US07/390,861 patent/US4995012A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE289383T1 (de) | 1989-02-16 |
FR2614722B1 (fr) | 1992-04-17 |
JPH0529918B2 (ja) | 1993-05-06 |
FR2614722A1 (fr) | 1988-11-04 |
EP0289383A1 (fr) | 1988-11-02 |
JPH0197995A (ja) | 1989-04-17 |
ES2007484A6 (es) | 1989-06-16 |
US4995012A (en) | 1991-02-19 |
US4856107A (en) | 1989-08-08 |
EP0289383B1 (fr) | 1991-08-07 |
ATE66086T1 (de) | 1991-08-15 |
DE3864067D1 (de) | 1991-09-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |